产品说明

Product description

精密气压计 井下通风测试仪

Precision barometer underground ventilation tester

型号：G81328

Model:G81328

产品本仪器是为矿井通风测试专门设计研制的一台便携仪器，既可以测量当地的绝对压力值，也可以测量两点之间的压力差值。具有精度高、灵敏度高、结构牢靠、本质安全等特点。整台仪器重量轻，便于携带，不怕一般振动及碰撞，性能稳定可靠，是一台理想的井下通风测试仪器。防爆标志为ExibⅠ（150℃）矿用本安型。

The instrument is designed and developed a portable instrument for mine ventilation test specially, can be absolute pressure measurement of local values, also can be pressure difference measurement between two points. Has the characteristics of high precision, high sensitivity, reliable structure, intrinsic safety. The instrument is light in weight, easy to carry, not the general vibration and impact, stable and reliable performance, is an ideal underground ventilation test instrument. Explosion proof mark Exib Ⅰ (150 ℃) mine intrinsically safe.

产品技术指标

Product specifications

项目技术指标

Project technical indicators

测量范围0～±200mbar（绝对）；0～±500mmH2O（相对）

The measurement range of 0 ~ + 200mbar (absolute); 0 ± 500mmH2O (relative)
分辨率0.1mbar（绝对气压测量）；0.1mmH2O（相对差压测量）

Resolution 0.1mbar (absolute pressure measurement); 0.1mmH2O (relative differential pressure measurement)

适用标高范围-1500～+2500米（分七档选择）

Applicable range of -1500 ～ +2500 meters elevation (seven file selection)

精度绝对气压测量：0.5mbar（校准期三个月）

The absolute pressure measurement: 0.5mbar (calibration period of three months)

0.1mbar（现场校准）

0.1mbar (calibration)

相对差压测量：1mmH2O

Relative differential pressure measurement: 1mmH2O

显示三位半液晶数字显示

Display three and a half LCD digital display

温度影响0.01～0.02mbar/℃（绝对气压测量）

Influence of temperature of 0.01 ~ 0.02mbar/ ℃ (absolute pressure measurement)

0.1～0.2mmH2O（相对差压测量）

0.1 ~ 0.2mmH2O (relative differential pressure measurement)

耐振性：仪器在正常使用下碰撞，振动产生显示变化不大于

Vibration resistance: instrument under normal use, collision, the vibration display the change of not more than

0～0.1mbar（绝对气压测量）

0 - 0.1mbar (absolute pressure measurement)

0.1～0.2mmH2O（相对差压测量）

0.1 ~ 0.2mmH2O (relative differential pressure measurement)

环境条件温度：-10℃～+40℃湿度：<90%

Environment temperature: -10 ℃ ~ +40 ℃ and humidity: <90%

电源：采用镍镉碱性蓄电池组（12V），每次充电4小时后，可连续工作24小时以上。

Power: the use of nickel cadmium alkaline batteries (12V), each charge 4 hours, more than 24 hours of continuous work.

外形尺寸240x130x190mm3

Dimension 240x130x190mm3

重量3kg

Weight 3kg

注：挑选性能一致的仪器成组出售，在相对压差测量中可以基本消除温度影响。

Note: the selection of instrument group consistent properties for sale, in the relative pressure difference measurement can be basically eliminated the influence of temperature.

更多精密气压计 井下通风测试仪请联系我们

More precision barometer underground ventilation tester, please contact us

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